[clang] [LifetimeSafety] Detect use-after-return (PR #165370)

[Kashika Akhouri via cfe-commits]

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@@ -166,7 +169,8 @@ void FactsGenerator::VisitReturnStmt(const ReturnStmt *RS) {
   if (const Expr *RetExpr = RS->getRetValue()) {
     if (hasOrigin(RetExpr)) {
       OriginID OID = FactMgr.getOriginMgr().getOrCreate(*RetExpr);
-      CurrentBlockFacts.push_back(FactMgr.createFact<ReturnOfOriginFact>(OID));
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kashika0112 wrote:

Based on this discussion, I have removed `ReturnOfOriginFact` and added the new `OriginEscapesFact`.

https://github.com/llvm/llvm-project/pull/165370